The Rufus & Coco Wee Kitty Eco Plant Tofu Cat Litter is a 100% biodegradeable and vegan natural eco kitty litter that is perfect for use in all kinds of toilets, including septic tanks. Made from sustainable and naturally absorbent wheat and soy fibers, this litter is low tracking and easy to dispose of. It also has a super-absorbent design that traps bad smells and ammonia odors quickly, so you won’t have to worry about smelling or seeing any unpleasant sights in your home.